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#!/usr/bin/env ruby
=begin
treestore.rb - Gtk::TreeStore sample
Copyright (c) 2016 Ruby-GNOME2 Project Team
This program is licenced under the same licence as Ruby-GNOME2.
Based on https://developer.gnome.org/gtk3/stable/TreeWidget.html
=end
require "gtk3"
TITLE_COLUMN = 0
AUTHOR_COLUMN = 1
CHECKED_COLUMN = 2
model = Gtk::TreeStore.new(String, String, TrueClass)
iter = model.append(nil)
iter[TITLE_COLUMN] = "The Principle of Reason"
iter[AUTHOR_COLUMN] = "Martin Heidegger"
iter[CHECKED_COLUMN] = false
iter = model.append(nil)
iter.set_values(["The Art of Computer Programming", "Donald E. Knuth", true])
# append child
child_iter = model.append(iter)
child_iter[TITLE_COLUMN] = "Volume 1: Fundamental Algorithms"
# append another child
child_iter = model.append(iter)
child_iter.set_value(TITLE_COLUMN, "Volume 2: Seminumerical Algorithms")
child_iter.set_value(CHECKED_COLUMN, true)
# append another child
child_iter = model.append(iter)
child_iter.set_values(["Volume 3: Sorting and Searching",
"Donald E. Knuth",
true])
def treeview_widget_of(model)
treeview = Gtk::TreeView.new(model)
treeview.append_column(Gtk::TreeViewColumn.new("Title",
Gtk::CellRendererText.new,
:text => TITLE_COLUMN))
treeview.append_column(Gtk::TreeViewColumn.new("Author",
Gtk::CellRendererText.new,
:text => AUTHOR_COLUMN))
treeview.append_column(Gtk::TreeViewColumn.new("Author",
Gtk::CellRendererToggle.new,
:active => CHECKED_COLUMN))
treeview
end
def display_model(model)
win = Gtk::Window.new(:toplevel)
win.title = "Simple Gtk::TreeStore"
win.add(treeview_widget_of(model))
win.show_all
win.signal_connect("destroy") { Gtk.main_quit }
Gtk.main
end
display_model(model)
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